[MRCA] AN/VDR-27 Radiac Meter - AN/PDR-27(*)

[Peter Gottlieb]

Yes, I did mean "everyone" to include that group, so I stand (pleasantly) 
corrected.  I never liked those newer units, but then again, I didn't like 
replacing CPS with Hz or Mhos with Siemens.

Peter


On 12/20/2013 9:18 PM, Mike Morrow wrote:
>> Note that Roentgens are not used as a unit any more, everyone's
>> switched to Sieverts (Sv) so you have to convert.
> Nope.
>
> If "everyone" includes the US commercial nuclear power industry (in
> terms of MWe generation it's still the largest nuclear industry in
> the world), then that is very incorrect.  The traditional RAD, REM,
> and Curie remain firmly in use.  The SI system's grey, sievert, and
> becquerel (tera!) are seldom encountered, and there are few signs of
> imminent retirement for the traditional units.  Those SI units are very
> awkward in scaling for most practical working applications and do not
> present any "value add" for daily usage in the real, versus academic,
> world.
>
> Also, I assume this discussion is really about the AN/PDR-27(*).  I
> don't believe there's a "Vehicular Radiac Receiver System 27" anywhere.
> The variations of the AN/PDR-27(*) are so great that citing only
> "AN/PDR-27" without the A, B, C....Q, R, S, T provides *no* useful
> identification of the device.  See http://www.schaffrath.net/pdr-27/ .
> I used various models in the US nuclear submarine service 40 years ago.
>
> Mike / KK5F
>
>
>
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